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class="news_xaingxi"><h1>锅炉¾l´ä¿®å…¬å¸å‘Šè¯‰å¤§å®¶è’¸æ±½é”…炉在äñ”生蒸汽后是否需要注意的问题</h1></div> <div class="news_author">来源åQ?a href='http://www.laenterusa.com/news/279.html'>http://www.laenterusa.com/news/279.html</a> 发布日期åQ?021-05-06 </div> <div class="news_content">     蒸汽锅炉在äñ”生蒸汽后是否需要注意这些问题?<a href="http://www.laenterusa.com/supply/5.html" target="_blank">武汉锅炉¾l´ä¿®</a>公司介绍如下åQ?br /> <p>     武汉<a href="http://www.laenterusa.com/glwx/" target="_blank">锅炉¾l´ä¿®</a>公司介绍到由于蒸汽锅炉的水温持箋上升åQŒæ±½æ³¡å’Œè’¸å‘受热面的金属壁温也随时开始升高。蒸汽锅炉是一¿Uèƒ½é‡è{换设备,向锅炉输入的能量有燃料中的化学能、电能、高温烟气的热能½{‰åŞ式,而经˜q‡é”…炉è{换,向外输出å…ähœ‰ä¸€å®šçƒ­èƒ½çš„蒸汽、高温水或有机热载体。热水锅炉装配电脑式开水锅炉控制器åQŒæ‰€æœ‰çš„功能存储在一张智能芯片上åQŒå®žçŽîCº†é”…炉的智能化、数字化、自动化、äh性化åQŒé”…炉智能控制水温,辑ֈ°æ°´æ¸©åŠ çƒ­è‡ªåŠ¨åœæ­¢åQ›å±òq•å¤§å­—体昄¡¤ºæ°´æ¸©åQŒç‚‰æ°´æ¸©åº¦ä¸€ç›®äº†ç„¶ã€‚由于汽泡壁厚较大,锅炉加热˜q‡ç¨‹ä¸­å­˜åœ¨çš„主要问题是热应力åQŒå› æ­¤æœ‰å¿…要å¯ÒŽ±½æ³¡çš„热膨胀温度和热应力˜q›è¡Œç ”究ã€?</p> <p> <img style="max-width:100%;" src="/uploads/image/20180514/20180514094948_1315.jpg" alt="" /> </p>     武汉锅炉¾l´ä¿®å…¬å¸ä»‹ç»åˆ°åŒæ—¶ä¹Ÿè¦è€ƒè™‘整体热膨胀问题åQŒç‰¹åˆ«æ˜¯è’¸æ±½é”…炉受热面上的管åQŒç”±äºŽå£åŽšè–„åQŒé•¿åº¦é•¿åQŒåŠ çƒ­è¿‡½E‹ä¸­çš„问题是整个对的热膨胀。燃气热水锅炉具有环保、节能、安全、全自动˜qè¡Œçš„显著特点,使用èµäh¥éžå¸¸æ–¹ä¾¿åQŒå¦å¤–,ç”׃ºŽ˜qè¡Œ¾læµŽã€æ”¿½{–鼓励,燃气热水锅炉­‘Šæ¥­‘Šå—到大家的青睐。同æ—Óž¼Œ˜q˜åº”注意其热应力åQŒä»¥é˜²æ­¢å› å¿½è§†è€Œå¼•èµïLš„失效。在蒸汽锅炉产生蒸汽和加热压力的˜q‡ç¨‹ä¸­ï¼Œæ°”æˆö沿壁厚存在温差和上下壁面之间的温差。当内壁温度高于外壁温度åQŒä¸Šå£æ¸©åº¦é«˜äºŽä¸‹å£æ¸©åº¦æ—¶åQŒäؓ了防止过大的热应力,必须¾~“慢地提高锅炉的压力。蒸汽锅炉在点火和升压过½E‹ä¸­åQŒè’¸æ±½å‚数、水位和锅炉各部件的工况也在不断变化。因此,ä¸ÞZº†æœ‰æ•ˆåœ°é˜²æ­¢å¼‚常情况和其他危险事故的发生,有必要安排专业äh员密切监视各¿UäÈA器指令的变化ã€?br />     武汉锅炉¾l´ä¿®å…¬å¸å‘Šè¯‰å¤§å®¶é€šè¿‡åœ¨æ­£å¸¸å…è®¸èŒƒå›´å†…调整控制压力、温度、水位等工艺参数åQŒåƈ对各¿UäÈA表、阀门等部äšg的可靠性和安全性进行评伎ͼŒæ‰èƒ½å……分保证蒸汽锅炉的安全稳定运行ã€?br />     蒸汽锅炉压力­‘Šé«˜åQŒèƒ½è€—越高,相应蒸汽讑֤‡ã€ç®¡é“和阀门所承受的压力也会增加,˜q™ä¹Ÿž®†ä‹É蒸汽锅炉的保护和¾l´æŠ¤è¦æ±‚较高。在生äñ”和运输过½E‹ä¸­åQŒè’¸æ±½çš„散热和损失所占的比例也会增加。高压蒸汽的含盐量随气压的增加而增加。这些盐使水冷壁½Ž¡ã€çƒŸ½Ž¡ã€é”…炉管½{‰å—热区域äñ”生结构性现象,å¯ÆD‡´˜q‡çƒ­ã€è“v泡、堵塞等现象。严重时可导致管道爆炸等危险事故ã€?br /> <br /> </div> <div class="pagess"> 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